See <https://builds.apache.org/job/Pig-trunk/1856/changes>
- Build failed in Jenkins: Pig-trunk #1852 Apache Jenkins Server
- Build failed in Jenkins: Pig-trunk #1853 Apache Jenkins Server
- Build failed in Jenkins: Pig-trunk #1854 Apache Jenkins Server
- Build failed in Jenkins: Pig-trunk #185... Apache Jenkins Server
- Jenkins build is back to normal : P... Apache Jenkins Server
